2SC2735 datasheet(6/8 Pages) RENESAS

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2SC2735

Rev.2.00 Aug 10, 2005 page 6 of 7

20,000 p

VOSC1 VHF Oscillating Output Voltage Test Circuit

L1 : Inside dia φ3 mm, φ3 mm Enameled Copper Wire 12 Turns

Test Frequency : fosc = 300 MHz

fosc Monitor

Vosc Output

VCC

VBB

200

D.U.T.

4,700 p

1,000 p

7 p

1.5 p

2.2 k

1.1 M

4,700 p

1SV70

200

5.6 p

12 p

Unit C : F

R :

Ω

L : H

VHF Conversion Gain : Noise Figure Test Circuit

VCC

VBB

L2 56 p

4.2 p

330

18 p

560

80 p

27 p

2,200 p

1.5 p

f = 200 MHz

Unit C : F

R :

Ω

L1 : Inside dia φ5 mm, φ0.5 mm Enameled Copper Wire 4 Turns

L2 : Inside dia φ4 mm, φ0.5 mm Enameled Copper Wire 4 Turns

L3 : Inside dia φ3 mm, φ0.2 mm Enameled Copper Wire 6 Turns

L4 : Outside dia φ5 mm Bobbin, φ0.2 mm Enameled Copper Wire 16 Turns, using Ferrite bead.

fosc = 230 MHz

(0 dBm)

foat = 30 MHz

RL = 50 Ω

Ferrite Bead

D.U.T.

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